| Patent Number |
Title Of Patent |
Date Issued |
| 6839216 |
Solenoid driving device |
January 4, 2005 |
| To reduce the number of signal lines for connecting an current detector and a solenoid electrically.Between solenoids 1-1 and 1-2 and switches SW-1 and SW-2 and on the high sides with respect to the individual solenoids, respectively, there are connected current detectors 4-1 and 4-2. Th |
| 6594292 |
Saturable reactor and power source apparatus for pulse laser utilizing same |
July 15, 2003 |
| A saturable reactor is in a conductive state or has a magnetic switching function depending on the direction of the current flowing through it. Also provided is a power source apparatus for pulse laser utilizing the satiable reactor. The saturable reactor comprises a saturable magnetic |
| 5844786 |
DC-DC converter circuit and inductive load driver using it |
December 1, 1998 |
| An inductive load drive device comprising a DC--DC converter circuit which has a coil (L) and switch (Sw) in series with a power source (E) and a capacitor (C) provided in parallel with the switch (Sw). The DC--DC converter produces a high voltage by a procedure in which the switch (Sw) |
| 5784308 |
Binary subtraction device |
July 21, 1998 |
| For arithmetically combining the values of two numbers, for example adding and subtracting, comprising a data deletion system for deleting values from input data and outputting the result. The system has a deletion number detection apparatus for finding a value on the basis of input data |
| 5773969 |
DC-DC converter circuit and inductive load drive device using DC-DC converter circuit |
June 30, 1998 |
| An inductive load drive device using a DC--DC converter circuit with which a high voltage is obtained by the discharge of electromagnetic energy stored in a coil to a capacitor, in which a bias is applied to the magnetic core of a coil (L) with the use of a permanent magnet (Mg) in the |
| 5587995 |
Serial controller |
December 24, 1996 |
| A serial controller in which nodes to which are connected one or plurality of sensors and one or a plurality of actuators are connected in series in the form of a closed loop including a main controller which sends data frame signals including a first special code, a second special code |
| 5461617 |
Serial controller |
October 24, 1995 |
| A serial controller in which nodes to which are connected one or a plurality of sensors and one or a plurality of actuators are connected in series in the form of a closed loop including a main controller which sends data frame signals including a first special code, a second special |
| 5287010 |
Device for preventing erroneous operation when the clock is interrupted in a controller |
February 15, 1994 |
| A device is provided to prevent erroneous operation of an object to be controlled connected to the controller if the clock is interrupted. When a clock monitoring unit (15) detects that no clock pulse signal (CL) is generated from a clock generating unit (14) in a controller (10), a D |
| 5276367 |
Offset drift reducing device for use in a differential amplification circuit |
January 4, 1994 |
| In a measuring differential amplifier having first and second input terminals for subtracting a first signal applied to the first input terminal from a second signal applied to the second input terminal to obtain a subtraction and for outputting a signal corresponding to A times of t |
| 5204865 |
Data extracting circuit for serial control apparatus |
April 20, 1993 |
| A serial control apparatus includes a main controller (2) and a plurality of nodes (3) each serving as an auxiliary controller normally serially arranged on a loop-shaped signal transmission line (1). Each node (3) extracts data for the present node among from the data delivered from the |
| 5170338 |
Apparatus for carrying out serial control and method of controlling said apparatus |
December 8, 1992 |
| An apparatus for carrying out serial control and a method of controlling the apparatus wherein the apparatus and the method are employable for a centralized control system for various machinery such as press, machine tool, ship, aircraft or the like machine as well as a centralized contr |
| 5163056 |
Apparatus for carrying out serial control |
November 10, 1992 |
| An apparatus for carrying out serial control includes a single main controller and a plurality of node controllers for directly controlling a variety of sensors and actuators. The node controllers are serially connected to the main controller. The main controller receives a data sign |
| 5105426 |
Device for detecting the position of broken line in a series controller |
April 14, 1992 |
| When a press or like machine is centrally controlled, many sensors are used for detecting the conditions of various portions of the machine and many actuators are used for controlling the conditions of various portions of the machine. The invention provides a device for detecting the pos |
| 5095417 |
Apparatus for carrying out serial control |
March 10, 1992 |
| This apparatus for carrying out serial control comprises a plurality of node controllers each including a group of sensors (21S to 2nS), a group of actuators (21A to 2nA) or the like terminal components and a main controller for controlling the node controllers and the terminal compo |
